Best Type Of Blown In Attic Insulation

R values vary based on the type thickness and density of the insulation material.

Best type of blown in attic insulation.

Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t. Spray foam offers the best attic insulation performance available. The answer to the question of which attic insulation is best is of course entirely circumstantial. Your home s r value score will guide you toward the type of insulation you need.

Blown in insulation also fills the tiny crevices where heat or air conditioning can escape from your home. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Both can be added to uninsulated attics or layered over existing material. Insulation is rated by its r value.

That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. For diy attic insulation you ve got two choices. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Spray foam attic insulation.

When the design of your attic allows the best attic insulation is inexpensive easy to install and will yield the performance you re looking for. Choose from two types. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In general an attic s r value should be between r 30 and r 49.

Loose fill or batt the common term for blanket insulation. Closed cell and open cell aka 2 pound and pound respectively. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.

In particularly cold climates you might go up to r 60. It is effective in filling in areas that are difficult to reach. R value measures how resistant types of insulation are to heat flow. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.

Insulation that is blown into your attic via a machine is a type of loose fill cellulose material. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. Blown in spray foam batts and blankets.